Adds read support for Ion 1.1 system symbols#944

Merged

popematt merged 5 commits intoamazon-ion:ion-11-encodingfrom popematt:read-system-symbols

Sep 27, 2024

+516-319

Commits on Sep 24, 2024

Adds read support for system symbols
popematt
committed

Commits on Sep 25, 2024

Fixes and re-enables EncodingDirectiveCompilationTest.
tgregg
committed
Allows the binary reader to match user symbol IDs that map to the same text as a system symbol.
tgregg
committed

Commits on Sep 26, 2024

Caches a SymbolToken instance for each Ion 1.1 symbol token
popematt
committed

Commits on Sep 27, 2024

Adds suggested changes
popematt
committed